MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, indicating an attempt to lead the user to harmful content. The document also features a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.cc/pify?keyword=ctm+Viano%25C4%258Dn%25C3%25A1+koleda
- http://files.clearpathfos.com/uploads/1/3/0/7/130775245/b5439b60.pdf
- http://files.roadhomefredericton.com/uploads/1/3/1/6/131636946/sapajudibafapebale.pdf
- http://sefonoz.hypnotherapy-leeds.com/uploads/1/3/1/4/131437622/6864054.pdf
- http://files.ucsbvsa.com/uploads/1/3/2/6/132696030/sakujawuluwo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/2668/5850/files/35265018373.pdf
- https://cdn.shopify.com/s/files/1/0433/3980/8922/files/90413825216.pdf
- https://cdn.shopify.com/s/files/1/0430/5249/9095/files/intertanko_charter_party_forms.pdf
- https://cdn.shopify.com/s/files/1/0434/1566/6840/files/92551830800.pdf
- https://cdn.shopify.com/s/files/1/0438/0514/7298/files/find_and_color_shapes_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0429/8863/4266/files/88456023774.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/46676539889.pdf
- https://cdn.shopify.com/s/files/1/0433/7431/3621/files/volizefi.pdf
- https://cdn.shopify.com/s/files/1/0434/7278/1478/files/70960277347.pdf
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/45229781584.pdf
- https://cdn.shopify.com/s/files/1/0431/2589/9421/files/costco_chocolate_cake_nutritional_information.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004d95.bin35b6f9c1f5aab9029d5ed20e4ce76a85fe2d81c2f0d8770dce518f2e7f2b8078 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D95 | 5104 bytes |
font_01_sfnt_off00005e51.bin9a297cca6957f31772127f539cfce6becf7d4742b045b260a99b9c23d2a80c60 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E51 | 11820 bytes |
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